Introducing the Cayin CS-805A Integrated Amplifier, a refined high-end audio device developed over 24 months. This pure Class A amplifier delivers 50 watts per channel with precision, featuring 805A output tubes for powerful performance.
The CS-805A includes hand-selected 6SN7 tubes for voltage amplification, matched 300B tubes for the driver stage, and specially rated 805A output tubes. It offers versatile connectivity with three line inputs, a pre-input for external pre-amps, and both 4 and 8 ohm speaker terminals.
The high-quality headphone output, driven directly from the custom output transformer, ensures excellent sound quality for demanding headphones. Easy bias adjustments and a top-mounted meter make fine-tuning straightforward, while the hum balance adjustment for 300B tubes minimizes background noise.
Switch between two sound profiles with remote-controlled negative feedback selection: an open, detailed sound at 0dB or a softer, clean sound at -3dB. The amplifier features a heavy anodized aluminum front, fully vented chassis, and hand-made point-to-point wiring for durability and style.
Designed for safety and longevity, the CS-805A includes a soft-start circuit, high voltage delay circuits, and high voltage fuses. Premium components like an Alps volume control, porcelain tube sockets, audio grade capacitors, carbon film resistors, and custom transformers ensure top performance.
Complete with a custom-made aluminum remote and memory for last settings, the Cayin CS-805A offers a reliable and sophisticated audio experience.
Only high-quality components are used: These include an Alps volume control, porcelain tube sockets, selected capacitors and carbon film resistors with the highest audio quality.
A large dimensioned toroidal transformer guarantees a stable power supply even with impulsive music.
With a large bandwidth, the EI output transformers ensure optimal coupling with the loudspeakers used.
The Cayin CS-805A comes standard with a remote control that stores the last operating status of the device after it was turned off.
The classic WE6SN7 output triodes are used for the voltage amplifier stage of the Cayin CS-805A integrated amplifier.
Exquisite 300B work in the driver stage for the 805A output tubes.
Three pairs of line inputs are complemented by an additional pair of pre-inputs for connecting an external preamp.
The CS-805A can also be used as a power amplifier or integrated into home cinema systems with AV processors.
The CS-805A has a high-quality headphone output with excellent sound characteristics that can drive most listeners befitting their status.
Users can easily adjust the bias of the 805 tubes via the integrated bias display.
With a so-called hum balance control, the user can also adjust the level of the 300B tubes from the outside.
The value of the negative feedback can be selected between 0 and -3dB on the remote control in order to adapt the sound character of the amplifier to your individual listening habits.
At 0dB, the Cayin CS-805A reveals an open, fluid sound with plenty of detail, while at -3dB, playback appears smooth, precise, and controlled.
Soft start circuitry and high voltage delay to protect the amplifier work together to extend the life of the tubes and sensitive components.
Easily accessible high voltage fuses are used to protect the amplifier.
In the event of a tube failure, the fuse reacts immediately and thus protects the circuitry, which is implemented in the finest point-to-point wiring.
Output power
50W + 50 watts
Frequency response
20Hz ~ 35kHz (-3dB)
Total harmonic distortion
0.5% (1 W / 1 kHz; 5% below rated power)
S / N ratio
93dB
Input sensitivity
300 mV, 1300 mV (Pre-IN)
Input impedance
100 kΩ
Output impedance
4Ω, 8Ω
Tubes
2 x 6SN7, 2 x 300B, 2 x 805A
Maximum power consumption
450 W.
Inputs
LINE1, LINE 2, LINE 3, PRE-IN
Working condition
Temperature
0 ° C ~ 40 ° C Humidity
20% ~ 80%
Storage condition
Temperature
-20 ° C ~ 70 ° C Humidity
20% ~ 90%
Dimensions (W x H x D)
420 mm x 240 mm x 389 mm
Net weight
38 kg
Accessories / equipment
remote control for all functions, headphone output on the front
Warranty
2 years ( 3 months for tubes)
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